DE69920226C5 - MULTI-SUPPORT COMMUNICATION WITH VARIABLE FRAME HEAD RATE - Google Patents

MULTI-SUPPORT COMMUNICATION WITH VARIABLE FRAME HEAD RATE Download PDF

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DE69920226C5
DE69920226C5 DE69920226T DE69920226T DE69920226C5 DE 69920226 C5 DE69920226 C5 DE 69920226C5 DE 69920226 T DE69920226 T DE 69920226T DE 69920226 T DE69920226 T DE 69920226T DE 69920226 C5 DE69920226 C5 DE 69920226C5
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frame
overhead data
sequence
data bits
bits
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DE69920226D1 (en
DE69920226T2 (en
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Michael Tzannes
Marcos Tzannes
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Intel Germany Holding GmbH
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Lantiq Deutschland GmbH
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0262—Arrangements for detecting the data rate of an incoming signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Communication Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Radio Relay Systems (AREA)
  • Tents Or Canopies (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

In the present invention, the overhead data transmission rate in a multicarrier communication rate in a multicarrier communication system (1) may be changed and/or selected. More specifically, this rate may be selected during an initial negotiation process and/or during a steady state mode of operation.

Description

Betreffend das europäische Patent 1 090 490 ( DE 699 20 226 )
hat der 5. Senat (Nichtigkeitssenat) des Bundespatentgerichts auf Grund der mündlichen Verhandlung vom 7. November 2012 für Recht erkannt:

  • I. Das europäische Patent 1 090 490 wird mit Wirkung für das Hoheitsgebiet der Bundesrepublik Deutschland im Umfang der Patentansprüche 15 bis 17 insoweit für nichtig erklärt, als diese über folgende Fassung hinausgehen:
Regarding that European Patent 1,090,490 ( DE 699 20 226 )
the 5th Senate (Nullity Senate) of the Federal Patent Court has recognized by virtue of the hearing on 7 November 2012:
  • I. The European Patent 1,090,490 shall be annulled with effect for the territory of the Federal Republic of Germany within the scope of claims 15 to 17 in so far as they go beyond the following:

Claims (17)

Verfahren zum Steuern der Übertragungsgeschwindigkeit von Overhead-Datenbits in einer Sequenz von Rahmen bei digitalen Anschlußleitungskommunikationen unter Verwendung einer Mehrträgermodulation, wobei das Verfahren gekennzeichnet ist durch Auswählen einer variblen Anzahl von Overhead-Datenbits für jeden Rahmen in der Rahmensequenz, derart, daß die Anzahl von Overhead-Datenbits für zumindest einen Rahmen in der Sequenz verschieden ist von der Anzahl von Overhead-Datenbits für zumindest einen anderen Rahmen in der Sequenz.A method of controlling the transmission rate of overhead data bits in a sequence of frames in digital trunk communications using multicarrier modulation, the method characterized by selecting a variable number of overhead data bits for each frame in the frame sequence such that the number of overheads Data bits for at least one frame in the sequence is different from the number of overhead data bits for at least one other frame in the sequence. Verfahren nach Anspruch 1, bei dem die Sequenz von Rahmen über einen Übertragungskanal gesendet wird.The method of claim 1, wherein the sequence of frames is transmitted over a transmission channel. Verfahren nach Anspruch 1 oder 2, bei dem die Sequenz von Rahmen über einen Übertragungskanal empfangen wird.The method of claim 1 or 2, wherein the sequence of frames is received over a transmission channel. Verfahren nach Anspruch 2 oder 3, bei dem ferner die ausgewählte variable Anzahl von Overhead-Datenbits für jeden Rahmen mit einem Transceiver bei der Initialisierung oder während der Gleichgewichtskommunikation mit dem Transceiver verhandelt wird.The method of claim 2 or 3, further comprising negotiating the selected variable number of overhead data bits for each frame with a transceiver at initialization or during balance communication with the transceiver. Verfahren nach Anspruch 1, 2 oder 3, bei dem das Auswählen der variablen Anzahl von Overhead-Datenbits für jeden Rahmen die Bestimmung umfaßt, welche Rahmen in einem Mehrfachrahmen Overhead-Datenbits enthalten, oder weiche Mehrfachrahmen eine bestimmte Art von Overhead-Daten enthalten.The method of claim 1, 2 or 3, wherein selecting the variable number of overhead data bits for each frame comprises determining which frames in a multiframe contain overhead data bits or soft multiframes containing a particular type of overhead data. Verfahren nach Anspruch 1, 2 oder 3, bei dem ferner die Verwendung der ausgewählten variablen Anzahl von Overhead-Datenbits synchronisiert wird und wahlweise entweder i) ferner die Verwendung der ausgewählten variablen Anzahl von Overhead-Datenbits bei einem bestimmten Rahmen in der Sequenz von Rahmen gestartet wird und wobei ferner, wahlweise, der bestimmte Rahmen an der Mehrfachrahmengrenze liegt, oder ii) ferner die Verwendung der ausgewählten varialen Anzahl von Overhead-Datenbits nach dem Senden einer spezifischen Anzahl von Mehrfachrahmen gestartet wird.The method of claim 1, 2 or 3, further comprising synchronizing use of the selected variable number of overhead data bits, and optionally either i) further starting the use of the selected variable number of overhead data bits at a particular frame in the sequence of frames and further wherein, optionally, the particular frame is at the multiframe boundary, or ii) further starting using the selected varial number of overhead data bits after transmitting a specific number of multiframes. Verfahren nach Anspruch 1, 2 oder 3 und entweder: a) ferner ein einzelner Parameter definiert wird, der die variable Anzahl von Overhead-Datenbits für jeden Rahmen bestimmt, b) ferner ein Parameter definiert wird, der eine Anzahl einer bestimmten Art von pro Rahmen benutzten Overhead-Datenbits bestimmt, c) wobei der Übertragungskanal eine Bandbreite hat und ferner die gesamte Bandbreite des Übertragungskanals zum Senden von Overhead-Daten verwendet wird, d) ferner ein Parameter definiert wird, der eine Anzahl von Mehrfachrahmen bestimmt, die bestimmte Overhead-Daten aufweisen, oder e) ferner ein Steuerbefehl definiert wird, der eine Anforderung zum Verhandeln der variablen Anzahl von Overhead-Datenbits für jeden Rahmen signalisiert.A method according to claim 1, 2 or 3 and either: a) further defining a single parameter that determines the variable number of overhead data bits for each frame, b) further defining a parameter that determines a number of a particular type of overhead data bits used per frame, c) wherein the transmission channel has a bandwidth and further the entire bandwidth of the transmission channel is used to transmit overhead data, d) further defining a parameter that determines a number of multiframes having certain overhead data, or e) further defining a control command signaling a request to negotiate the variable number of overhead data bits for each frame. Verfahren, verwendet bei digitalen Anschlußleitungskommunikationen unter Verwendung einer Mehrträgermodutation, zum Steuern der Übertragungsgeschwindigkeit von Overhead-Datan, wobei das Verfahren darin besteht, daß eine Sequenz von Rahmen über einen Übertragungskanal gesendet wird, eine Anzahl von Overhead-Datenbits für jeden Rahmen in dar Rahmensequenz ausgewählt wird, und dadurch gekennzeichnet, daß die ausgewählte Anzahl von Overhead-Datenbits für einen gegebenen der Rahmen in der Sequenz während Gleichgewichtskommunikationen- bzw. des Zustands stabiler Kommunikation variiert wird.A method used in digital trunk communications using a multicarrier modutation for controlling the overhead rate of data transmission, the method being that a sequence of frames is transmitted over a transmission channel, a number of overhead data bits selected for each frame in the frame sequence and characterized in that the selected number of overhead data bits are varied for a given one of the frames in the sequence during steady state communications. Verfahren nach Anspruch 8, und entweder: a) ferner die ausgewählte Anzahl von Overhead-Datenbits für jeden Rahmen mit einem Transceiver verhandelt wird, b) wobei beim Auswählen der Anzahl von Overhead-Bits für jeden Rahmen eine Anzahl von Overhead-Datenbits für zumindest einen Rahmen in der Sequenz ausgewählt wird, die verschieden ist von einer ausgewählten Anzahl von Ovehead-Datenbits für zumindest einen anderen Rahmen in der Sequenz, c) wobei das Auswählen der Anzahl von Overhead-Datenbits für jeden Rahmen die Bestimmung umfaßt, welche Rahmen in einem Mehrfachrahmen Overhead-Datenbits enthalten, oder d) wobei das Auswählen das Anzahl von Overhead-Datenbits für jeden Rahmen die Bestimmung umfaßt, welche Mehrfachrahmen eine bestimmte Art von Overhead-Daten enthalten.The method of claim 8, and either: a) further negotiating the selected number of overhead data bits for each frame with a transceiver, b) selecting a number of overhead bits for each frame selecting a number of overhead data bits for at least one frame in the sequence other than a selected number of ovehead data bits for at least one other frame in the sequence, c) wherein selecting the number of overhead data bits for each frame comprises determining which frames in a multiframe contain overhead data bits, or d) wherein selecting the number of overhead data bits for each frame comprises determining which multiframes contain a particular type of overhead data. Verfahren nach Anspruch 8, bei dem ferner die Verwendung des ausgewählten Anzahl von Overhead-Datenbits synchronisiert wird, und entweder: a) ferner die Verwendung der ausgewählten Anzahl von Overhead-Datenbits bei einem bestimmten Rahmen in der Sequenz von Rahmen gestartet wird und wobei, wahlweise, der bestimmte Rahmen an der Mehrfachrahmengrenze liegt, oder b) ferner die Verwendung der ausgewählten Anzahl von Overhead-Datenbits nachdem Senden einer spezifischen Anzahl von Mehrfachrahmen gestartet wird.The method of claim 8, further comprising synchronizing use of the selected number of overhead data bits, and either: a) further starting to use the selected number of overhead data bits at a particular frame in the sequence of frames, and optionally, the particular frame is at the multiframe boundary, or b) further using the selected number of overhead data bits after Sending a specific number of multiframes is started. Verfahren nach Anspruch 8, und entweder: a) ferner ein einzelner Parameter definiert wird, der die Anzahl von Overhead-Datenbits für jeden Rahmen bestimmt, b) ferner eine Parameter definiert wird, der eine Anzahl einer bestimmten Art von pro Rahmen verwendeten Overhead-Datenbits bestimmt, c) wobei der Übertragungskanal eine Bandbreite aufweist und ferner die gesamt Bandbreite des Übertragungskanals zum Senden von Overhead-Daten verwendet wird, d) ferner ein Parameter definiert wird, der eins Anzahl von Mehrfachrahmen bestimmt, die bestimmte Overhead-Daten aufweisen, oder e) ferner ein Steuerbefehl definiert wird, der eine Anforderung zum Verhandelniger Anzahl von Overhead-Datenbits für jeden Rahmen signalisiert.The method of claim 8, and either: a) further defining a single parameter that determines the number of overhead data bits for each frame, b) further defining a parameter that determines a number of a particular type of overhead data bits used per frame, c) wherein the transmission channel has a bandwidth and further the entire bandwidth of the transmission channel is used to transmit overhead data, d) further defining a parameter that determines a number of multiframes that have certain overhead data, or e) further defining a control command signaling a request to negotiate the number of overhead data bits for each frame. Verfahren nach einem beliebigen vorhergehenden Anspruch, wobei die Anzahl von Overhead-Bits in dem zumindest einen Rahmen null beträgt.The method of any preceding claim, wherein the number of overhead bits in the at least one frame is zero. Rahmensequenz, verwendet in digitalen Anschlußleitungskommunikationen (DSL) unter Verwendung einer Mehrterägermodulation, wobei die Rahmensequenz dadurch gekennzeichnet ist, daß jeder Rahmen eine Mehrzahl von Bits aufweist und bei zumindest einem Rahmen in der Sequenz eine Anzahl von Bits zum Übenragen von Overhead-Daten verwendet wird, die verschieden ist von derjenigen des zumindest einen anderen Rahmens in der Sequenz.Frame sequence used in digital subscriber line (DSL) communications using multicarrier modulation, the frame sequence being characterized in that each frame has a plurality of bits and at least one frame in the sequence uses a number of bits to overwrite overhead data; which is different from that of the at least one other frame in the sequence. Rahmensequenz nach Anspruch 13, wobei entweder a) die Anzahl von Bits, die zum Übertragen van Overhead-Daten für zumindest einem der Rahmen in der Sequenz verwendet wird, null ist, b) die Anzahl von Bits, die zum Übertragen von Overhead-Daten für zumindest einen der Rahmen in der Sequenz verwendet wird, sämtliche Bits dieses Rahmens beträgt oder c) die Anzahl von Bits, die zum Übertragen von Overhead-Daten für sämtliche der Rahmen in der Sequenz verwendet wird, sämtliche Bits der Rahmen beträgt. Frame sequence according to claim 13, wherein either a) the number of bits used to transmit overhead data for at least one of the frames in the sequence is zero, b) the number of bits used to transmit overhead data for at least one of the frames in the sequence is or is all bits of that frame c) the number of bits used to transmit overhead data for all of the frames in the sequence is all bits of the frames. Digitaler Anschlussleitungstransceiver mit Mehrträgermodulation in einer Ausgestaltung zum Senden einer Sequenz von Rahmen über einen Übertragungskanal und dadurch gekennzeichnet, dass der Transceiver so ausgestaltet ist, dass die Sendegeschwindigkeit von Overhead-Daten dadurch gesteuert dass eine variable Anzahl von Overhead-Datenbyte für jeden Rahmen in der Rahmensequenz ausgewählt wird, derart, dass die Anzahl von Overhead-Datenbyte für zumindest einen Rahmen in der Rahmensequenz verschieden ist von der Anzahl von Overhead-Datenbyte für zumindest einen anderen Rahmen in der Rahmensequenz.A multi-carrier modulated digital subscriber line transceiver in one embodiment for transmitting a sequence of frames over a transmission channel, and characterized in that the transceiver is configured to control the transmission rate of overhead data by providing a variable number of overhead data bytes for each frame in the frame sequence such that the number of overhead data bytes for at least one frame in the frame sequence is different from the number of overhead data bytes for at least one other frame in the frame sequence. Digitaler Anschlussleitungstransceiver mit Mehrträgermodulation in einer Ausgestaltung zum Empfangen einer Sequenz von Rahmen über einen Übertragungskanal und dadurch gekennzeichnet, dass der Transceiver so ausgestaltet ist, dass die Empfangsgeschwindigkeit von Overhead-Daten dadurch gesteuert wird, dass eine variable Anzahl von Overhead-Datenbyte für jeden Rahmen in der Rahmensequenz ausgewählt wird, derart, dass die Anzahl von Overhead-Datenbyte für zumindest einen Rahmen in der Rahmensequenz verschieden ist von der Anzahl von Overhead-Datenbyte für zumindest einen anderen Rahmen in der Rahmensequenz.A multicarrier modulation digital trunk transceiver in one embodiment for receiving a sequence of frames over a transmission channel, and characterized in that the transceiver is configured to control the reception speed of overhead data by providing a variable number of overhead data bytes for each frame in the frame sequence is selected such that the number of overhead data bytes for at least one frame in the frame sequence is different from the number of overhead data bytes for at least one other frame in the frame sequence. Transceiver nach Anspruch 15 oder 16, bei dem die Anzahl von Overhead-Datenbyte in dem zumindest einen Rahmen null ist.A transceiver according to claim 15 or 16, wherein the number of overhead data bytes in the at least one frame is zero.
DE69920226T 1998-06-26 1999-06-25 MULTI-SUPPORT COMMUNICATION WITH VARIABLE FRAME HEAD RATE Expired - Lifetime DE69920226C5 (en)

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US9089198P 1998-06-26 1998-06-26
US90891P 1998-06-26
PCT/US1999/014467 WO2000001127A1 (en) 1998-06-26 1999-06-25 Multicarrier communication with variable overhead rate

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DE69920226C5 true DE69920226C5 (en) 2013-09-19

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